THE ALMATTI DAM POWER HOUSE

Country: India State: Karnataka/Bijapur District Capacity: 300 MW
Year:  Client: Kvaerner Boving/The Asia Power Company Energy: 700 GWh
The Almatti Dam on the Krishna river is part of the Upper Krishna project which is designed to provide irrigation for the vast lands of Bijapur district. The project was conceived by the irrigation authorities to be multipurpose with a power house to be built by the Karnataka Power Corporation Limited. Under the liberalized economic policy, the concession for development of this power house was given to The Asia Power Company (TAPCo) of USA. 

SECSD were involved in reviewing the earlier proposal made by the KPCL  so as to make the project suitable for IPP implementation and private financing. Our engineers interacted with the turbine manufacturers Kvaerner in Doncaster and developed the preliminary layout and plans for the power house. The tasks undertaken by SECSD include. 

LOCATION MAP

TASKS HANDLED
1. Preliminary Site visits, assessment, collection of hydrological records, assimilation, conversion of data and development of hydrological reports. 

2. Power and energy studies to fix optimum installed capacity and preliminary dimensioning of equipment.

CROSS SECTION OF POWER HOUSE

3. Development of outline drawings and visit to Kvaerner offices in Doncaster for development of layout taking into consideration manufacturer's drawings.

4. Development of quantity and cost estimates and Development of pre investment report.

L SECTION OF PENSTOCK

5. Considerable reduction in  rock excavation in our design was  possible by proposing to use line drilling so as to leave most of the bedrock intact and hence shift power house closer to the toe of the existing dam.

PLAN OF POWER HOUSE

6. Our design resulted in reduction in length of penstocks by shifting axis of power house closer to the dam which was possible due to controlled excavation. This resulted in saving of energy losses.

7. Reduction in tail race pool excavation volume by increasing gradient of the tail race due to sound bedrock.

8. Reduction in height of superstructure to nearly half the original design and use of steel superstructure to reduce cost.

POWER BLOCK

AERIAL VIEW FROM DOWNSTREAM

DOWNSTREAM VIEW

SPILLWAY

IRRIGATION COMMAND AREA

INTAKE STRUCTURE

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